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Creator:: Dyer, John Kaye
Abstract:: Disc gel electrophoresis of the vegatative cell -free extracts ofstrains of Clostridium botulinum types A, B, C, E, and F and therelated nontoxic group showed limited value as a means for identifyingthese closely related microorganisms, since separation,though not consistent in all cases, could only be based on the numberof protein...
Resource Type:: Dissertation
Full Text:: Microbiology (Major) presented on Ph. D. (Degree) i)tCI \q(1 (Date) Title: A PHYSIOLOGICAL APPROACH

Creator:: Quinn, Dorothy Jean
Abstract:: Gamma irradiation inactivation kinetics were studied using fifteen organisms naturally contaminating seafoods. Survival curves for seven Salmonella, three Shigella, two Streptococcus species and a Staphylococcus, Escherichia and Proteus species were determined using Hartsell's broth and fresh oysters. Also, the Shigella species and one species of Streptococcus, Escherichia and Proteus were...
Resource Type:: Masters Thesis
Full Text:: Kinetics of Salmonella 38 D -value 39 Protection by Seafoods 39 'Tailing Effect" 40 Recommendations for

Creator:: Berg, Ronald Wayne
Abstract:: Environmental swabs and meat samples from two of three seafood processing plants sampled on the Oregon Coast were found to contain Salmonella. Although these enteropathogens were not isolated from the finished products, the danger of contamination is great since the processing received by many seafoods is not designed to yield...
Resource Type:: Masters Thesis
Full Text:: imported from Japan, Chile, and China, only four were found to contain Salmonella (Hobbs, 1965). Fifteen

Creator:: Dutiyabodhi, Pisawat
Abstract:: Studies have been made to determine the limits of tolerance to gamma radiation for 15 cultures of the following bacterial species both in culture media and in irradiation-sterilized seafoods (crab-meat, halibut and shrimp) inoculated with Salmonella (seven species), Shigella (three species), and one species each of Neisseria, Myco-bacterium, Esctrerichia, Proteus...
Resource Type:: Masters Thesis
Full Text:: trreasurement D. Preparation of Seafoods I. Raw materials Z, Irradiation E. Preparation of Culture for

Creator:: Orth, Donald Simms
Abstract:: Several biochemical tests were studied to determine their correlation with coagulase activity. The lysozyme test was in perfect agreement with the coagulase test for the strains studied. Mannitol fermentation and egg yolk lipase tests were in agreement with the coagulase test for 96% of the coagulase positive strains. Sheep red...
Resource Type:: Masters Thesis
Full Text:: foods were com- pared, Hobbs, Kendall and Gilbert (1968) concluded that phenolphthalein diphosphate

Creator:: Dyer, John Kaye
Abstract:: Studies were conducted under controlled conditions in order to observe the resulting survival patterns in solid crabmeat of Salmonella typhosa, Salmonella paratyphi B, and SaImonella wichita following individual exposure to various doses of gamma radiation. As shown in their survival curves, these species of Salmonella exhibited in varying degrees a...
Resource Type:: Masters Thesis
Full Text:: h+, o k q)a o.z H d o .d +J P. o 0. I Cells/rnl ( x to-71 Figure 1. The optical density curve of

Creator:: Krabbenhoft, Kenneth Louis
Abstract:: An ecological study of a microorganism similar to that isolated in 1956 and designated as Micrococcus radiodurans indicated that the organism could be isolated from several different environments. By taking advantage of its radio-resistivity, high levels of gamma radiation were used in the isolation procedures to inactivate most of the...
Resource Type:: Dissertation
Full Text:: Micrococcus radiodurans AN ABSTRACT OF THE THESIS OF Kenneth Louis Krabbenhoft for the Ph. D, in

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